Equipment unit · VIN-decoded · NHTSA vPIC

2012 Peterbilt 587

1XP4D49X9CD161178 · Truck-Tractor · TRUCK
Carriers run under1
25 mo
Inspections5
all-time
OOS inspections1
of 5
First seenFeb 2, 2024
CA
Last seenMar 10, 2026
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP4D49X9CD161178
Make
Peterbilt
Model
587
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4D49X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1982 or 2012

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
161178

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 936 decoded VINs at 100.0% prefix purity.

Model
587

Prefix basis · 936 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
587

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 2, 2024 – Mar 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 10, 2026AZII · Walk-around5CRESPO TRUCKING LLC 2033716XP33793/CA
Sep 23, 2025AZII · Walk-around7OOSCRESPO TRUCKING LLC 2033716XP33793/CA
Jun 25, 2025AZII · Walk-around4CRESPO TRUCKING LLC 2033716XP33793/CA
Feb 24, 2024NMIII · Driver-only1CRESPO TRUCKING LLC 2033716XP33793/CA
Feb 2, 2024CAI · Full3CRESPO TRUCKING LLC 2033716XP33793/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CRESPO TRUCKING LLC2033716Feb 2, 2024Mar 10, 20265CA
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
XP33793CACRESPO TRUCKING LLCFeb 2, 2024Mar 10, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026